Abstract
The carbamoylation of 4- and 5-hydroxyaminothiazolidine-2-thiones by methyl and 3,4-dichlorophenyl isocyanates leads to the corresponding hydroxyureas, which rearrange to 4- and 5-ureidothiazolidin-2-ones on heating in the presence of a base. Under these conditions, the hydroxyurea based on 5-hydroxylaminothiazolidin-2-one is converted to 5-ureidooxazolidin-2-one.
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T. I. Orlova, S. P. Épshtein, V. P. Tashchi, A. F. Rukasov, L. Ya. Bogel'fer, and Yu. G. Putsykin, Khim. Geterotsikl. Soedin., No. 4, 549 (1986).
T. I. Orlova, S. P. Épshtein, A. F. Rukasov, N. S. Magomedova, V. K. Bel'skii, V. P. Tashchi, and Yu. G. Putsykin, Khim. Geterotsikl. Soedin., No. 9, 1280 (1987).
S. P. Épshtein, A. F. Rukasov, V. P. Tashchi, T. G. Simonova, and Yu. G. Putsykin, Khim. Geterotsikl. Soedin., No. 9, 1240 (1983).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1678–1682, December, 1987.
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Orlova, T.I., Épshtein, S.P., Rukasov, A.F. et al. 4- And 5-hydroxylaminothiazolidine-2-thiones. Rearrangement of the carbamoyl derivatives to 4- and 5-ureidothiazolidin-2-ones. Chem Heterocycl Compd 23, 1352–1356 (1987). https://doi.org/10.1007/BF00472264
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DOI: https://doi.org/10.1007/BF00472264